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<?php |
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/** |
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* |
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* The MIT License (MIT) |
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* |
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* Copyright (c) 2015 Daniel Popiniuc |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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* |
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*/ |
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namespace danielgp\common_lib; |
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/** |
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* Usefull functions to support multi-language feedback |
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* |
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* @author Daniel Popiniuc |
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*/ |
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trait CommonLibLocale |
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{ |
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protected $commonLibFlags = null; |
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protected $tCmnLb = null; |
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protected $tCmnRequest = null; |
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protected $tCmnSession = null; |
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protected $tCmnSuperGlobals = null; |
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private function getCommonLocaleFolder() |
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{ |
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$pathes = explode(DIRECTORY_SEPARATOR, __DIR__); |
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$pathDepth = count($pathes); |
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$localePath = []; |
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foreach ($pathes as $key => $value) { |
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if ($key < ($pathDepth - 1)) { |
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$localePath[] = $value; |
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} |
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} |
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return implode(DIRECTORY_SEPARATOR, $localePath); |
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} |
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/** |
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* Stores given language or default one into global session variable |
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* (In order to avoid potential language injections from other applications session will revert |
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* to the default language if application one is not among the one are not supported here) |
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* |
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* @return NOTHING |
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*/ |
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private function handleLanguageIntoSession() |
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{ |
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$this->settingsCommonLib(); |
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$this->initializeSprGlbAndSession(); |
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if (is_null($this->tCmnSuperGlobals->get('lang'))) { |
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$this->tCmnSession->set('lang', $this->commonLibFlags['default_language']); |
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} elseif (!is_null($this->tCmnSuperGlobals->get('lang'))) { |
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$this->tCmnSession->set('lang', filter_var($this->tCmnSuperGlobals->get('lang'), FILTER_SANITIZE_STRING)); |
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} |
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if (!array_key_exists($this->tCmnSession->get('lang'), $this->commonLibFlags['available_languages'])) { |
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$this->tCmnSession->set('lang', $this->commonLibFlags['default_language']); |
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} |
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} |
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/** |
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* Takes care of instatiation of localization libraries |
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* used within current module for multi-languages support |
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* |
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* @return NOTHING |
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*/ |
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private function handleLocalizationCommon() |
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{ |
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$this->handleLanguageIntoSession(); |
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$localizationFile = $this->getCommonLocaleFolder() . '/locale/' |
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. $this->tCmnSession->get('lang') . '/LC_MESSAGES/' |
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. $this->commonLibFlags['localization_domain'] |
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. '.mo'; |
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$extrClass = new \Gettext\Extractors\Mo(); |
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$translations = $extrClass->fromFile($localizationFile); |
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$this->tCmnLb = new \Gettext\Translator(); |
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$this->tCmnLb->loadTranslations($translations); |
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} |
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protected function initializeSprGlbAndSession() |
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{ |
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if (is_null($this->tCmnSuperGlobals)) { |
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$this->tCmnRequest = new \Symfony\Component\HttpFoundation\Request; |
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$this->tCmnSuperGlobals = $this->tCmnRequest->createFromGlobals(); |
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} |
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if (is_null($this->tCmnSession)) { |
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$sBridge = new \Symfony\Component\HttpFoundation\Session\Storage\PhpBridgeSessionStorage(); |
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$this->tCmnSession = new \Symfony\Component\HttpFoundation\Session\Session($sBridge); |
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$this->tCmnSession->start(); |
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} |
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} |
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/** |
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* Central function to deal with multi-language messages |
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* |
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* @param string $localizedStringCode |
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* @return string |
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*/ |
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protected function lclMsgCmn($localizedStringCode) |
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{ |
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if (is_null($this->tCmnLb)) { |
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$this->settingsCommonLib(); |
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$this->handleLocalizationCommon(); |
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} |
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return $this->tCmnLb->gettext($localizedStringCode); |
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} |
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protected function lclMsgCmnNumber($singularString, $pluralString, $numberToEvaluate) |
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{ |
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if (is_null($this->tCmnLb)) { |
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$this->settingsCommonLib(); |
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$this->handleLocalizationCommon(); |
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} |
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return $this->tCmnLb->ngettext($singularString, $pluralString, $numberToEvaluate); |
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} |
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/** |
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* Returns proper result from a mathematical division in order to avoid |
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* Zero division erorr or Infinite results |
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* |
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* @param float $fAbove |
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* @param float $fBelow |
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* @param mixed $mArguments |
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* @return decimal |
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*/ |
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protected function setDividedResult($fAbove, $fBelow, $mArguments = 0) |
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{ |
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if (($fAbove == 0) || ($fBelow == 0)) { // prevent infinite result AND division by 0 |
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return 0; |
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} |
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if (is_array($mArguments)) { |
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$frMinMax = [ |
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'MinFractionDigits' => $mArguments[1], |
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'MaxFractionDigits' => $mArguments[1], |
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]; |
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return $this->setNumberFormat(($fAbove / $fBelow), $frMinMax); |
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} |
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return $this->setNumberFormat(round(($fAbove / $fBelow), $mArguments)); |
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} |
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protected function setNumberFormat($content, $features = null) |
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{ |
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$features = $this->setNumberFormatFeatures($features); |
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$fmt = new \NumberFormatter($features['locale'], $features['style']); |
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$fmt->setAttribute(\NumberFormatter::MIN_FRACTION_DIGITS, $features['MinFractionDigits']); |
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$fmt->setAttribute(\NumberFormatter::MAX_FRACTION_DIGITS, $features['MaxFractionDigits']); |
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return $fmt->format($content); |
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} |
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private function setNumberFormatFeatures($features) |
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{ |
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$this->handleLanguageIntoSession(); |
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if (is_null($features)) { |
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$features = [ |
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'locale' => $this->tCmnSession->get('lang'), |
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'style' => \NumberFormatter::DECIMAL, |
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'MinFractionDigits' => 0, |
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'MaxFractionDigits' => 0, |
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]; |
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} |
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if (!array_key_exists('locale', $features)) { |
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$features['locale'] = $this->tCmnSession->get('lang'); |
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} |
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if (!array_key_exists('style', $features)) { |
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$features['style'] = \NumberFormatter::DECIMAL; |
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} |
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return $features; |
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} |
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/** |
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* Settings |
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* |
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* @return NOTHING |
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*/ |
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private function settingsCommonLib() |
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{ |
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$this->commonLibFlags = [ |
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'available_languages' => [ |
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'en_US' => 'US English', |
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'ro_RO' => 'Română', |
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'it_IT' => 'Italiano', |
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], |
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'default_language' => 'en_US', |
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'localization_domain' => 'common-locale' |
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]; |
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} |
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} |
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danielgp /
common-lib
